Drawing of seasonal history of Dendroctonus pseudotsugae Hopk. Shows attack periods and brood development.
Artist: William D. Edmonston
Photo by: W.D. Bedard
Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection.
Collection: Portland Station Collection; La Grande, Oregon.
To learn more about this photo collection see:
Wickman, B.E., Torgersen, T.R. and Furniss, M.M. 2002. Photographic images and history of forest insect investigations on the Pacific Slope, 1903-1953. Part 2. Oregon and Washington. American Entomologist, 48(3), p. 178-185.
Note: "William Douglas Edmonston (1870-1936) was born in Edinburgh, Scotland. A graduate of the School of Fine Arts of the University of Edinburgh, he was an artist of considerable ability and exhibited some of his water colors at the Royal Scottish Academy and at the Royal Academy of England. He came to the United States in 1890 and settled at Brunston near Larkspur, CO." From: Furniss, M.M. 2007. A history of forest entomology in the Intermountain and Rocky Mountain areas, 1901 to 1982. Gen. Tech. Rep. RMRS-GTR-195. Fort Collins, CO: USDA, Forest Service, Rocky Mountain Research Station. 40 p. www.fs.fed.us/rm/pubs/rmrs_gtr195.pdf